42898900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{661}}^1$

素因数の和:745

約数の個数: 72

約数和(自身を含む): 103430880

約数和(自身を除く): 60531980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 59, 100, 110, 118, 220, 236, 275, 295, 550, 590, 649, 661, 1100, 1180, 1298, 1322, 1475, 2596, 2644, 2950, 3245, 3305, 5900, 6490, 6610, 7271, 12980, 13220, 14542, 16225, 16525, 29084, 32450, 33050, 36355, 38999, 64900, 66100, 72710, 77998, 145420, 155996, 181775, 194995, 363550, 389990, 428989, 727100, 779980, 857978, 974975, 1715956, 1949950, 2144945, 3899900, 4289890, 8579780, 10724725, 21449450, 42898900]

約数ペア:

[(1, 42898900), (2, 21449450), (4, 10724725), (5, 8579780), (10, 4289890), (11, 3899900), (20, 2144945), (22, 1949950), (25, 1715956), (44, 974975), (50, 857978), (55, 779980), (59, 727100), (100, 428989), (110, 389990), (118, 363550), (220, 194995), (236, 181775), (275, 155996), (295, 145420), (550, 77998), (590, 72710), (649, 66100), (661, 64900), (1100, 38999), (1180, 36355), (1298, 33050), (1322, 32450), (1475, 29084), (2596, 16525), (2644, 16225), (2950, 14542), (3245, 13220), (3305, 12980), (5900, 7271), (6490, 6610)]